The USB-68001 PCI Express Card offers users the ability to add up to four USB ports into their PC in a very painless and simple way. The PCI Express bus allows users to benefit from high bandwidth technologies like USB, supporting data transfer rates up to 480 Mbps. This card is a plug-n-play solution with drivers for Windows and Linux. Works with: Windows 2000/XP/2003/Vista; Linux 2.4.x/2.6.x; Apple Mac Pro/G5 series with Mac OS 10.2.5 or later.
The UTS-404A-SI is an Isolation and Surge Protection 4-Port RS-232 to USB serial adapter that is designed for PC, thin client, or server to provide instant COM port expansion via the Universal Serial Bus (USB). Supports Windows 95/98/Me, 2000, 2003, XP, Vista, CE, Linux.
Aaxeon USB 3+1 ports PCI Express Card USB-68001
Aaxeon USB To 4-Port RS-232 Industrial Converter with Surge and Isolation